Snowball - Self Rolling Snowballs

Self Rolling Snowballs

Under certain, rarely occurring circumstances, self rolling snowballs form on their own. These circumstances are:

  • The ground must have a top layer of ice. This will prevent the snowball from sticking to the ground.
  • That ice has to have some wet and loose snow that is near its melting point.
  • The wind has to be strong enough to push them. Yet, it cannot be too strong.
  • Also, gravity could cause the snowballs to form instead of the wind.

Because these conditions have to take place at the right place in the right time, it is considered a phenomenon.

Read more about this topic:  Snowball

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